package com.ruoyi.web.controller.common;

import com.alibaba.fastjson2.JSONObject;
import com.google.code.kaptcha.Producer;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.config.TXIMConfig;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.vo.TximConfigVO;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.sednSms.SendSmsUtil;
import com.ruoyi.common.utils.sign.Base64;
import com.ruoyi.common.utils.uuid.IdUtils;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.user.service.TXIMUserService;
import com.ruoyi.user.utils.IMUserUtils;
import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.concurrent.TimeUnit;

/**
 * 验证码操作处理
 *
 * @author ruoyi
 * @eo.api-type http
 * @eo.groupName 用户信息
 * @eo.path
 */
@Slf4j
@RestController
public class CaptchaController {
    @Resource(name = "captchaProducer")
    private Producer captchaProducer;

    @Resource(name = "captchaProducerMath")
    private Producer captchaProducerMath;

    @Autowired
    private RedisCache redisCache;

    @Autowired
    private ISysConfigService configService;

    /**
     * 生成验证码
     *
     * @param phone
     * @param response
     * @eo.name 生成验证码
     * @eo.url /captchaImage
     * @eo.method get
     * @eo.request-type formdata
     */
    @GetMapping("/captchaImage")
    public AjaxResult getCode(@RequestParam(required = false, value = "phone") String phone, HttpServletResponse response) throws IOException {
        AjaxResult ajax = AjaxResult.success();
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        ajax.put("captchaEnabled", captchaEnabled);
        if (!captchaEnabled) {
            return ajax;
        }
        // 保存验证码信息
        String uuid = IdUtils.simpleUUID();
        String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
        String capStr = null, code = null;
        BufferedImage image = null;
        // 生成验证码
        String captchaType = RuoYiConfig.getCaptchaType();
        if ("math".equals(captchaType) || "char".equals(captchaType)) {
            if ("math".equals(captchaType)) {
                String capText = captchaProducerMath.createText();
                capStr = capText.substring(0, capText.lastIndexOf("@"));
                code = capText.substring(capText.lastIndexOf("@") + 1);
                log.info("验证码计算结果：" + capStr + "  验证码结果：" + code);
                image = captchaProducerMath.createImage(capStr);
            } else {
                capStr = code = captchaProducer.createText();
                image = captchaProducer.createImage(capStr);
            }
            // 转换流信息写出
            FastByteArrayOutputStream os = new FastByteArrayOutputStream();
            try {
                ImageIO.write(image, "jpg", os);
            } catch (IOException e) {
                return AjaxResult.error(e.getMessage());
            }
            ajax.put("img", Base64.encode(os.toByteArray()));
            redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
        } else if ("sms".equals(captchaType)) {
            if (StringUtils.isBlank(phone)) {
                return AjaxResult.error("手机号码不能为空");
            }
            code = IdUtils.generateVerificationCode(6);
            JSONObject jsonObject = SendSmsUtil.sendSms(phone, Integer.valueOf(code));
            if (!"OK".equals(jsonObject.get("code").toString())) {
                return AjaxResult.error("短信验证码发送失败");
            }
            ajax.put("code", code);
            redisCache.setCacheObject(CacheConstants.USER_NAME_CODE_KEY + phone, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
        }
        ajax.put("uuid", uuid);
        return ajax;
    }
}
